GCVE Workshop - 22 September 2026 (14:00-18:00), Luxembourg Before The Vulnopticon Conference - Registration

FKIE_CVE-2019-11234

Vulnerability from fkie_nvd - Published: 2019-04-22 11:29 - Updated: 2026-06-17 02:12
Severity
9.8 (Critical) - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
FreeRADIUS before 3.0.19 does not prevent use of reflection for authentication spoofing, aka a "Dragonblood" issue, a similar issue to CVE-2019-9497.
References
cve@mitre.orghttp://lists.opensuse.org/opensuse-security-announce/2019-05/msg00014.html
cve@mitre.orghttp://lists.opensuse.org/opensuse-security-announce/2019-05/msg00032.html
cve@mitre.orghttp://lists.opensuse.org/opensuse-security-announce/2020-04/msg00033.html
cve@mitre.orghttps://access.redhat.com/errata/RHSA-2019:1131
cve@mitre.orghttps://access.redhat.com/errata/RHSA-2019:1142
cve@mitre.orghttps://bugzilla.redhat.com/show_bug.cgi?id=1695783Issue Tracking, Third Party Advisory
cve@mitre.orghttps://freeradius.org/release_notes/?br=3.0.x&re=3.0.19Release Notes, Vendor Advisory
cve@mitre.orghttps://freeradius.org/security/Vendor Advisory
cve@mitre.orghttps://papers.mathyvanhoef.com/dragonblood.pdfTechnical Description, Third Party Advisory
cve@mitre.orghttps://usn.ubuntu.com/3954-1/Third Party Advisory
cve@mitre.orghttps://www.kb.cert.org/vuls/id/871675/Not Applicable, Third Party Advisory, US Government Resource
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00014.html
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00032.html
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00033.html
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2019:1131
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2019:1142
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=1695783Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://freeradius.org/release_notes/?br=3.0.x&re=3.0.19Release Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://freeradius.org/security/Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://papers.mathyvanhoef.com/dragonblood.pdfTechnical Description, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3954-1/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.kb.cert.org/vuls/id/871675/Not Applicable, Third Party Advisory, US Government Resource
Impacted products
Vendor Product Version
freeradius freeradius *
fedoraproject fedora *
redhat enterprise_linux 7.0
canonical ubuntu_linux 18.04
canonical ubuntu_linux 18.10
canonical ubuntu_linux 19.04
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:freeradius:freeradius:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "90C5B6A9-0E46-438C-9EBB-63529AAD1B1D",
              "versionEndExcluding": "3.0.19",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:fedoraproject:fedora:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "20294CE7-12C8-43CA-A702-5ED2A3044FFC",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "142AD0DD-4CF3-4D74-9442-459CE3347E3A",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*",
              "matchCriteriaId": "23A7C53F-B80F-4E6A-AFA9-58EEA84BE11D",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*",
              "matchCriteriaId": "07C312A0-CD2C-4B9C-B064-6409B25C278F",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:*",
              "matchCriteriaId": "CD783B0C-9246-47D9-A937-6144FE8BFF0F",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "FreeRADIUS before 3.0.19 does not prevent use of reflection for authentication spoofing, aka a \"Dragonblood\" issue, a similar issue to CVE-2019-9497."
    },
    {
      "lang": "es",
      "value": "FreeRADIUS antes de 3.0.19 no impide el uso de la reflexi\u00f3n para la autenticaci\u00f3n de spoofing, tambi\u00e9n conocido como \"Dragonblood\", un problema similar al CVE-2019-9497."
    }
  ],
  "id": "CVE-2019-11234",
  "lastModified": "2026-06-17T02:12:35.563",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 7.5,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2019-04-22T11:29:03.330",
  "references": [
    {
      "source": "cve@mitre.org",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00014.html"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00032.html"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00033.html"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://access.redhat.com/errata/RHSA-2019:1131"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://access.redhat.com/errata/RHSA-2019:1142"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Issue Tracking",
        "Third Party Advisory"
      ],
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1695783"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ],
      "url": "https://freeradius.org/release_notes/?br=3.0.x\u0026re=3.0.19"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://freeradius.org/security/"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Technical Description",
        "Third Party Advisory"
      ],
      "url": "https://papers.mathyvanhoef.com/dragonblood.pdf"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://usn.ubuntu.com/3954-1/"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Not Applicable",
        "Third Party Advisory",
        "US Government Resource"
      ],
      "url": "https://www.kb.cert.org/vuls/id/871675/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00014.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00032.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00033.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://access.redhat.com/errata/RHSA-2019:1131"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://access.redhat.com/errata/RHSA-2019:1142"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Issue Tracking",
        "Third Party Advisory"
      ],
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1695783"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ],
      "url": "https://freeradius.org/release_notes/?br=3.0.x\u0026re=3.0.19"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://freeradius.org/security/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Technical Description",
        "Third Party Advisory"
      ],
      "url": "https://papers.mathyvanhoef.com/dragonblood.pdf"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://usn.ubuntu.com/3954-1/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Not Applicable",
        "Third Party Advisory",
        "US Government Resource"
      ],
      "url": "https://www.kb.cert.org/vuls/id/871675/"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-287"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.